Android’s ProgressBar instantly displays download progress details

• Android

Here, the progress bar is used to display the download progress in real time.

Problems encountered on the way:

1. URL cannot be opened in the main thread, and toast can only be used in the main thread

2. A child thread cannot modify the UI

3. Allow network protocols

4. Pause download and resume download

fragment_ Main layout file

strings. xml

(question 3) configure <-- Request network permission -- > < uses permission Android: name = "Android. Permission. Internet" / >

Mainactivity (question 1, 2)

**************However, it does not solve problem 4. It needs to continue transmission with breakpoints, but it will not store assets resources***************

The above is the whole content of this article. I hope it will be helpful to your study, and I hope you can support programming tips.

The content of this article comes from the network collection of netizens. It is used as a learning reference. The copyright belongs to the original author.
THE END
分享
二维码
< <上一篇
下一篇>>